3935504
Fuel Drain Tube
Cummins®

Introduction

The Cummins 3935504 Fuel Drain Tube is a critical component in the fuel systems of commercial trucks, designed to facilitate the draining of fuel for maintenance and to ensure the integrity of the fuel system. This part is essential for the operational efficiency and reliability of trucks equipped with Cummins engines.

Purpose and Function

The Cummins 3935504 Fuel Drain Tube allows for the controlled release of fuel, which is necessary during maintenance operations such as filter changes or when purging contaminants from the fuel system. By enabling efficient draining, it helps maintain the cleanliness and efficiency of the fuel system, contributing to the overall performance of the engine ¹.

Key Features

Constructed with durability and functionality in mind, the Cummins 3935504 Fuel Drain Tube is made from materials resistant to the corrosive effects of diesel fuel, ensuring longevity and reliable performance. Its design includes features that facilitate easy connection and disconnection, simplifying the maintenance process. Additionally, the tube is engineered to fit securely within the fuel system, minimizing the risk of leaks.

Benefits

Utilizing the Cummins 3935504 Fuel Drain Tube enhances the performance of the fuel system by allowing for efficient draining and purging. The tube’s robust construction contributes to the reliability of the fuel system, reducing the likelihood of failures due to wear or corrosion. Moreover, its design makes maintenance procedures more straightforward, which can save time and labor costs during servicing.

Installation Process

Installing the Cummins 3935504 Fuel Drain Tube involves preparing the fuel system for the installation, connecting the tube to the designated port, and securing it in place. Tools such as wrenches may be necessary to tighten connections. It is important to follow manufacturer guidelines to ensure a secure and leak-free installation.

Maintenance Tips

To ensure the Cummins 3935504 Fuel Drain Tube operates effectively over time, routine maintenance is recommended. This includes regular inspection for signs of wear or damage, cleaning the tube and its connections to prevent buildup, and checking for any leaks. If the tube shows signs of deterioration, it should be replaced to maintain the integrity of the fuel system.

Troubleshooting Common Issues

Common issues with the Fuel Drain Tube may include leaks or blockages. If a leak is detected, it is important to identify the source and address it promptly to prevent fuel loss and potential safety hazards. Blockages can be resolved by cleaning the tube and ensuring that all connections are secure and free from obstructions.

Safety Considerations

When working with the Cummins 3935504 Fuel Drain Tube, it is important to adhere to safety guidelines. This includes wearing appropriate personal protective equipment, ensuring that the fuel system is depressurized before performing any maintenance, and following proper procedures for handling and disposing of fuel. Additionally, the tube should be stored in a safe location when not in use to prevent damage or contamination.

Cummins Overview

Cummins Inc. is a global power leader that designs, manufactures, and distributes engines, filtration, and power generation products. With a strong reputation in the industry, Cummins is known for its commitment to quality and innovation. The company’s products are designed to deliver reliable performance and are supported by a network of service providers to ensure customer satisfaction.

Cummins Fuel Drain Tube 3935504 Compatibility

The Cummins Fuel Drain Tube, part number 3935504, is designed to fit seamlessly within the fuel systems of certain Cummins engines. This part is essential for maintaining the integrity of the fuel system by allowing for the drainage of any water or contaminants that may accumulate in the fuel tank.

Engine Compatibility

• 4B3.9 Engine Series: The 3935504 Fuel Drain Tube is specifically engineered to integrate with the 4B3.9 engine series. This compatibility ensures that the fuel system remains free from contaminants, which is crucial for the optimal performance and longevity of the engine.

• 6B5.9 Engine Series: Similarly, the 3935504 Fuel Drain Tube is also compatible with the 6B5.9 engine series. This part plays a vital role in the fuel management system, ensuring that the fuel remains clean and free from impurities that could potentially damage the engine.

By ensuring that the fuel system is properly drained, the 3935504 Fuel Drain Tube helps maintain the efficiency and reliability of these engines. Its design and fitment are critical for the seamless operation of the fuel system in both the 4B3.9 and 6B5.9 engine series.

Role of Part 3935504 Fuel Drain Tube in Engine Systems

The fuel drain tube, identified by part number 3935504, is an essential component in the fuel system of various engine setups. Its primary function is to facilitate the safe and efficient removal of fuel from the system during maintenance or in the event of a fuel system malfunction.

In the context of engine systems, the fuel drain tube is strategically positioned to connect the fuel tank to a designated drain location. This setup ensures that fuel can be safely diverted away from the engine compartment, minimizing the risk of fuel spills and potential hazards.

The integration of the fuel drain tube with other components such as the fuel tank, fuel lines, and the drain valve is seamless. When the drain valve is activated, either manually or automatically, the fuel drain tube provides a clear path for the fuel to exit the system. This process is vital for routine maintenance, such as fuel filter changes or system inspections, where draining the fuel is necessary to prevent contamination and ensure optimal engine performance.

Additionally, the fuel drain tube plays a significant role in emergency situations. In the event of a fuel leak or system failure, the tube allows for the rapid evacuation of fuel, reducing the risk of fire or explosion. This safety feature underscores the importance of proper installation and regular inspection of the fuel drain tube to ensure it functions correctly when needed.

Conclusion

The Cummins 3935504 Fuel Drain Tube is a vital component in the fuel systems of commercial trucks, ensuring the safe and efficient removal of fuel during maintenance and emergency situations. Its robust construction, ease of installation, and compatibility with specific Cummins engine series highlight its importance in maintaining both the efficiency and safety of engine systems.